Insect & Disease
Resource Center

Signs of pests and diseases will vary from tree to tree. Search our database of pests and diseases for symptoms, damages, life cycle, management, and control information.

  • Home
  • Insect & Disease Resource Center
Search All Articles
{{appliedFilter.terms}}
Filters
Damage & Symptoms
Pest And Disease Apple Scab Banner 1440X500
Leaf or Needle Discoloration
Apple Scab
Apple scab is a foliar leaf disease caused by the fungus Venturia inaequalis.
Read More
Pest And Disease Armillaria Mushrooms Banner 1440X500
Mold or Fungus
Armillaria Root Rot
Armillaria root rot, also known as ‘honey fungus’ or ‘shoestring root rot’, is a group of decay fungi comprised of at least 11 species. It affects both landscape and natural habitat plants throughout the United States.
Read More
Pest And Disease Northern Tooth Fungus Banner 1440X500
Mold or Fungus
Northern Tooth Fungus
Northern tooth fungus grows on living, deciduous trees. The fungus grows in shelves of fruiting bodies that overlap in clusters.
Read More
Pest And Disease Oak Mazegill Banner 1440X500
Mold or Fungus
Oak Mazegill Mushroom
Oak mazegill is a mushroom that grows in heartwood or already rotting wood. These types of stemless mushrooms are called conks.
Read More
SAPW Infested Canary Island Date Palm
Leaf or Needle Discoloration
South American Palm Weevil
These beetles lay eggs in the growing point of the palm and when they hatch the large larvae feed on the growing point tissue (heart of palm).
Read More
Pest And Disease Center Elm Leaf Beetle Banner 1440X500
Leaf or Needle Discoloration
Elm Leaf Beetle
When populations are large, elm leaf beetle larvae and adults can completely defoliate elms. Adults chew small, circular holes. Infested trees appear drought-stricken and brown or scorched.
Read More
5402462 LGPT European Elm Scale Branch1
Substance on Leaf or Oozing
European Elm Scale
European elm scale (Gossyparia spuria) is a pest that feeds on elm tree twigs, branches and leaves, causing premature leaf drop and leaf yellowing. Heavily infested branches may die.
Read More
Ss 2033439272 Septoria Pear
Mold or Fungus
Fungal Leaf Spot On Trees
Fungal leaf spot on trees is caused by various species of Phomopsis, Septoria and other fungal pathogens. Infections may cause partial or even complete defoliation.
Read More
{{post.firstCategory}}
{{post.headline}}
{{post.postDate}}
{{post.summary}}
{{post.readMoreText}}
No Results

No results were found matching that query.

DSC 8019
DSC 8019

Get In Touch With Us!

We pride ourselves at Davey Tree on providing prompt, professional and personalized service from certified arborists that live, work and engage in your community. Contact one of our Davey Tree specialists for your residential needs.

Find A Local Office
Let's Find What
You're Looking For!
Quick Links